SAN FRANCISCO—Zillow andTrulia say that they each received aRequest for Additional Information, or a "secondrequest," from the United States Federal TradeCommission in connection with the FTC's review of Zillow'sproposed acquisition of Trulia.

This second request from the FTC is a standard part of the fullregulatory process, under the Hart-Scott-Rodino AntitrustImprovements Act of 1976 .

The transaction, which was announced July 28, is subject toapproval of both companies' stockholders and satisfaction of othercustomary closing conditions, including expiration or terminationof the waiting period under the Act. The effect of the secondrequest is to extend the waiting period imposed by the Act until 30days after Zillow and Trulia have substantially complied with thesecond request, unless that period is extended voluntarily by theparties or terminated sooner by the FTC. The companies aregathering information to respond promptly to the second request andare cooperating with the FTC in connection with its review. Bothcompanies expect the transaction to closein 2015.